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The Anatidae are the biological family of water birds that includes ducks, geese, and swans. The family has a cosmopolitan distribution , occurring on all the world's continents except Antarctica. These birds are adapted for swimming , floating on the water surface, and, in some cases, diving in at least shallow water.
All ducks belong to the biological order Anseriformes, a group that contains the ducks, geese and swans, as well as the screamers, and the magpie goose. [5] All except the screamers belong to the biological family Anatidae. [5] Within the family, ducks are split into a variety of subfamilies and 'tribes'.
Although the term "bird of prey" could theoretically be taken to include all birds that actively hunt and eat other animals, [4] ornithologists typically use the narrower definition followed in this page, [5] excluding many piscivorous predators such as storks, cranes, herons, gulls, skuas, penguins, and kingfishers, as well as many primarily ...
The avian family Anatidae, commonly called waterfowl, comprise the ducks, geese, and swans.The International Ornithological Committee (IOC) recognizes these 174 Anatidae species distributed among 53 genera, 32 of which have only one species.
Order: Passeriformes Family: Laniidae. Shrikes are passerine birds known for their habit of catching other birds and small animals and impaling the uneaten portions of their bodies on thorns. A shrike's beak is hooked, like that of a typical bird of prey. Red-backed shrike, Lanius collurio (A) Red-tailed shrike, Lanius phoenicuroides (A)
Order: Anseriformes Family: Anatidae Anatidae includes the ducks and most duck-like waterfowl, such as geese and swans. These birds are adapted to an aquatic existence with webbed feet, flattened bills, and feathers that are excellent at shedding water due to an oily coating.
This has created conservation concerns for relatives of the mallard, such as the Hawaiian duck, [124] [125] the New Zealand grey duck (A. s. superciliosa) subspecies of the Pacific black duck, [124] [126] the American black duck, [127] [128] the mottled duck, [129] Meller's duck, [130] the yellow-billed duck, [123] and the Mexican duck, [124 ...
Common goldeneyes are diving birds that forage under water. Year-round, about 32% of their prey is crustaceans , 28% is aquatic insects and 10% is molluscs . [ 15 ] Insects are the predominant prey while nesting and crustaceans are the predominant prey during migration and winter.